I think the sun because plankton have plants and plant need sunlight
Energy from the sun
Energy from the sun.APEX
The mitochondria is the organelle responsible for providing energy to the cell through the process of cellular respiration, which produces ATP (adenosine triphosphate) molecules.
Energy from the sun.APEX
The Mitochondria.
Mitchondria
fuel
Mitochondria converts the glucose into energy !.
Mitochondria are responsible for generating energy in the form of ATP for the cell through the process of cellular respiration.
Energy
The chloroplast is responsible for producing energy in plant cells through the process of photosynthesis.